unforgettably

In an unforgettable manner; very memorably.

Japanese Meaning

忘れがたいほどに / 記憶に残るほどに / 非常に印象的に

The sunset over the ancient ruins was unforgettably beautiful, painting the sky with colors I had never seen before.

古代遺跡に沈む夕日は忘れられないほど美しく、見たことのない色で空を彩っていた。

Sense（1）

In an unforgettable manner; very memorably.

more unforgettably

（ comparative ）

most unforgettably

（ superlative ）